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\usepackage{booktabs}
\usepackage[normalem]{ulem}
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\begin{document}
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\begin{tabular}{lclcc}
\toprule
Firm Name                       &   Meetings      & Top Participant   & Meetings & Registered Lobbyist \\ \midrule
\textit{\textbf{Regulatory Lobbying Firm}}        &                       &                            &                                &                                      \\
\hspace{1em} Sullivan \& Cromwell            & 51                                & Rodgin Cohen   & 20       & 1998-2005                   \\
\hspace{1em} Debevoise         & 24                            & Paul Lee       & 10       & 2001-2018                   \\
\hspace{1em} Davis Polk          & 22                             & Randall Guynn  & 10       & 2009-2010                   \\
\hspace{1em} Cleary Gottlieb                 & 20                      & Derek Bush     & 11       & 1998-2017                   \\
\hspace{1em} Morrison \& Foerster            & 16                               & Oliver Ireland & 15       & 2001-2010                   \\ \\
\textit{\textbf{Reported Lobbying Firm}}          &                                                    &                &          &                             \\
\hspace{1em} Patton Boggs                    & 3                                   & Carolyn Walsh  & 2        & 2008-2018                   \\
\hspace{1em} Akin Gump                       & 1                                          & Smith W. Davis & 1        & 1998-2018                   \\
\hspace{1em} Brownstein Hyatt & 0                                     & -              & -        & -        \\
\bottomrule                 
\end{tabular}
                                
                           

\end{document}